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Emails stuck in Outbox


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We've had some emails sent via Hornbill that have got stuck or delayed and are sitting in our Outbox

One just managed to clear itself a moment ago (was originally sent at 9:24 - but processed at 11:21)


Could someone check our instance and advise further?


Many Thanks!





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You are configured to send your email via MIMECAST . This has performance issues at the moment. Please see 


This is not a Hornbill issue (Infact we strongly recommend Direct Outbound Email rather than SMTP Relay to avoid these kinds of issues. )

Kind Regards

Hornbill Cloud Team 

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